<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Demo5</title>
</head>
<body>
    <table align = "center" border = "1px" cellpadding = "1px" cellspacing = "0" 
    width = "500px" height = "500px">
        <tr>
            <td>姓名</td>
            <td>性别</td>
            <td>年龄</td>
        </tr>

        <tr>
            <td>张三</td>
            <td>男</td>
            <td>10</td>
        </tr>

        <tr>
            <td>李四</td>
            <td>女</td>
            <td>11</td>
        </tr>
    </table>
</body>
</html>